src/gallium/drivers/freedreno/a5xx/fd5_context.h

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD5_CONTEXT_H_
  28 #define FD5_CONTEXT_H_
  29
  30 #include "util/u_upload_mgr.h"
  31
  32 #include "freedreno_context.h"
  33
  34 #include "ir3/ir3_shader.h"
  35
  36 struct fd5_context {
  37         struct fd_context base;
  38
  39         /* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
  40          * could combine it with another allocation.
  41          */
  42         struct fd_bo *vsc_size_mem;
  43
  44         /* TODO not sure what this is for.. probably similar to
  45          * CACHE_FLUSH_TS on kernel side, where value gets written
  46          * to this address synchronized w/ 3d (ie. a way to
  47          * synchronize when the CP is running far ahead)
  48          */
  49         struct fd_bo *blit_mem;
  50
  51         struct u_upload_mgr *border_color_uploader;
  52         struct pipe_resource *border_color_buf;
  53
  54         /* if *any* of bits are set in {v,f}saturate_{s,t,r} */
  55         bool vsaturate, fsaturate;
  56
  57         /* bitmask of sampler which needs coords clamped for vertex
  58          * shader:
  59          */
  60         uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
  61
  62         /* bitmask of sampler which needs coords clamped for frag
  63          * shader:
  64          */
  65         uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
  66
  67         /* bitmask of samplers which need astc srgb workaround: */
  68         uint16_t vastc_srgb, fastc_srgb;
  69
  70         /* some state changes require a different shader variant.  Keep
  71          * track of this so we know when we need to re-emit shader state
  72          * due to variant change.  See fixup_shader_state()
  73          */
  74         struct ir3_shader_key last_key;
  75
  76         /* number of active samples-passed queries: */
  77         int samples_passed_queries;
  78
  79         /* cached state about current emitted shader program (3d): */
  80         unsigned max_loc;
  81 };
  82
  83 static inline struct fd5_context *
  84 fd5_context(struct fd_context *ctx)
  85 {
  86         return (struct fd5_context *)ctx;
  87 }
  88
  89 struct pipe_context *
  90 fd5_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
  91
  92 /* helper for places where we need to stall CP to wait for previous draws: */
  93 static inline void
  94 fd5_emit_flush(struct fd_context *ctx, struct fd_ringbuffer *ring)
  95 {
  96         OUT_PKT7(ring, CP_EVENT_WRITE, 4);
  97         OUT_RING(ring, CACHE_FLUSH_TS);
  98         OUT_RELOCW(ring, fd5_context(ctx)->blit_mem, 0, 0, 0);  /* ADDR_LO/HI */
  99         OUT_RING(ring, 0x00000000);
 100
 101         OUT_WFI5(ring);
 102 }
 103
 104 #endif /* FD5_CONTEXT_H_ */